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1. Disconnect the two adapters in the command mode N yd N o P Connect the previous connected adapter lt DEFAULT __ This command is used to restore the default settings and originate a warm start The command will re start the system for 1 second DETECT ee N a ed The command is used to detect the voltage of the power supply and set the alert value of low power Disable the voltage detection Enable the voltage detection Restore the default value 3 5 Volt Setup the range of voltage detection from 3 0 to 3 7 Volt The x indicate the number Inquire the setting status DEVICE For security purpose this command is used to specify a unique remote Bluetooth serial adapter to be connected In the Master mode the adapter pairs and connects with the designated remote www usconverters com Page 4 N Y 1 8 Connect the adapter to a Bluetooth device in the neighborhood found through Default X X Datasheet amp Quick Reference for UCBT232 EXA v2 3 NNA USCONVERTSRs com Slave address If the adapter Is in the Slave mode this command is a filter condition to accept the inquiry of the Master device XXXXXXXXXXX XXXXXXXXXXXX is a String of 12 hexadecimal digits X Restore the status in which the adapter can connect with any remote address Inquiry the designated address that can be paired and connected DFU Device Firmware Upgrade Enable disable the DIP switch2. Inquire the setting status of the DIP switch function Enables the DIP switch The ROLE and AUTO commands are not available to set the Master or Slave Disable the DIP switch The ROLE and AUTO commands are available when the DIP N This command is used to specify whether the adapter can be discovered or Default DISCOVER connected by remote devices This command is available only when the adapter is in Slave mode The adapter enters the discoverable mode If a pair has been made the original connection can be resumed But other remote master device cannot discover this adapter The adapter enters the discoverable mode Default Inquire the current setting from the UART back to the DTE DCE Command characters received from the UART are not echoed back to the DTE DCE This command enable or disable flow control signals CTS RTS of the UART port Note the setting is not affected by DEFAULT The command will need 1 second delay Disable flow control Enable flow control Inquire the current setting This command is used to specify a name for the adapter m O aE T Default FLOW Default N Y You can specify a friendly name using O to 9 A to Z a to z space and which are all valid characters Note that first space or last space or isn t permitted The default name Is Serial Adapter Serial Default device name Adapte
3. sec Restores factory settings 5 DTE DCE switch Use the slide switch to swap between DTE and DCE 6 Master Slave DIP switch The adapter can be set either as a slave or a master The master and slave will then automatically link without pairing The ROLE and Auto commands are disabled when using the DIP switch Master Slave function 7 Group G No Group N G DIP switch In combination with the Master Slave DIP switch the Group No Group DIP switch will allow you to connect to one Slave in a group of slaves with the CONNECT command This can be convenient if you need to switch between different slaves in the coverage area www usconverters com Page 2 Datasheet amp Quick Reference for UCBT232 EXA v2 3 WNNN USCONVERTERS COM 8 LED Status Power LED on The power input is equal or larger than 3 5 Volt can be checked with the DETECT command Power LED 0 5 sec blinking The power input is lower than 3 5 Volt can be checked with the DETECT command Link LED off No pairing Link LED fast 0 1 sec blinking Pairing slave or master mode o Discoverable and waiting for a Link LED fast 0 3 sec blinking connection slave mode Link LED slow 0 9 sec blinking Inquiring master mode Link LED very slow 1 2 sec blinking Connecting master mode Link LED steady on Connection established 9 Parameters 9 1 The parameters can be configured via the DB9 RS232 serial port or over Bluetooth Tera T
4. Datasheet amp Quick Reference for UCBT232 EXA v2 3 WNNN USCONVERTERS COM Bluetooth RS232 Adapter Datasheet amp Quick Reference for UCBT232B and UCBT232EXA Bluetooth RS232 Adapter with Internal Chip External di pole Antenna Cr UCBT232B UCBT232EXA UCBT232B UCBT232EXA Package Contents RS 232 adapter x 1 Battery power line and connector x 1 User manual x 1 USB Cable x 1 Di pole antenna UCBT232EXA only 1 Power options 1 2 The adapter can be powered by one of the following Mini USB cable 5VDC DB9 connector Pin 9 5VDC External battery any standard battery 3 5 VDC www usconverters com Page 1 Datasheet amp Quick Reference for UCBT232 EXA v2 3 NNA USCONVeERTSESRs com 2 Typical operating current consumption 1OOmAh Power LED Red Group G Enable N G Disable G Slave Power Status M Master Avce F USB BatteryA Battery 3 5 VDC Mini USB Power In Power Source Switch Power Line Connector Default factory settings Baud rate 19200 bps Data bit 8 Parity none Stop bit 1 Flow control none Mode Slave Bluetooth PIN code 1234 These settings can be configured via Tera Term or Hyper Terminal Please see the Setup Guide and below parameter gt W table for details 4 Reset Button Short press The adapter disconnects and then reconnects a wireless link Long press more than 3
5. ditions ROLE S SEARCH CONNECT CONNECT P CONNECT XxxxxxXxxxxxx CONNECT DEVICE SEARCH CONNECT CONNECT P CONNECT Xxxxxxxxxxxx CONNECT DEVICE ROLE M ROLE S AUTO Y AUTO N DISCOVER Y DISCOVER N SEARCH CONNECT CONNECT P CONNECT xxxxxxxxxxxx CONNECT DEVICE DFU Y SEARCH CONNECT CONNECT P CONNECT xxxxxxxxxxxx CONNECT DEVICE DFU Y Not connected RSSI CONNECT Y CONNECT N RS232 Interface e l Rs Output m Request to send Default o ve mu mm Poner supp SOC 1 5 Max Remarks The default hardware flow control is CTS RTS www usconverters com Page 7 Datasheet amp Quick Reference for UCBT232 EXA v2 3 NNA USCONVERTSRs com Federal Communications Commission FCC Statement RADIO FREQUENCY INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur In a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment o
6. emote adapter from Data mode to Command mode A minimum of 500ms silence must appear before the command The time interval between each entered characters should be 1 sec gt 1 sec gt 1 sec gt 2 sec Po Datasheet amp Quick Reference for UCBT232 EXA v2 3 WNNN USCONVERTERS COM AUTO This command is used to enable disable the auto connection feature It is available only when the adapter is in Master mode and only when DIP N The system will not re start after changing this parameter Sy Master and Slave will connect automatically Default N Master and Slave will need to be connected manually with the CONNECT command Pp Inquire the current setting kaa The command will need 200 ms delay pf tz00 200 bps o oao 2400 bps P4800 4800 bps Default 230400 230400 bps 460800 460800 bps 921600 921600 bps Restore the default settings Baud rate 19200 bps Inquire the current baud rate CONNECT This command is used to establish a connection manually It is available only when the adapter is in the Master role DEVICE Connect the adapter to a specified Bluetooth device manually It is available only when DEVICE xxxxxxxxxxxx IS executed SEARCH XXXXXXXXXXX Connect the remote adapter by typing the MAC address directly without X searching Y Display the MAC address of the latest paired device Recover the latest connection in the command mode
7. erm which can be downloaded from www usconverters com is recommended for configuring the parameters Please see the Setup Guide for details Note 1 Commands should be typed in either all CAPITAL letters or all lowercase letters Note 2 Commands cannot be received by the adapters if they are paired linked only when the adapter is in command mode lt lt lt Change the local adapter from Data mode to Command mode A minimum of 500ms silence must appear before the command The command will be unavailable if data pass through within 1 second after entering the command The time interval between each entered characters should be 500ms lt 500ms lt 500ms lt 1500ms Inquire the setting status of the lt lt lt command Enable the lt lt lt command Default N Disable the lt lt lt command gt a Y Y oO Default N Disable the gt gt gt command ADDRESS This command is used to display the Bluetooth address of the local adapter ie Inquire the Bluetooth address of the local adapter AT Checks the connection status between control terminal and the RS 232 adapter Response OK when the connection is ok ERROR when the connection is unsuccessful www usconverters com Page 3 Inquire the setting status of the gt gt gt command Enable the gt gt gt command N Disable the lt lt lt command S O gt gt Change the r
8. ff and on the user is encouraged to try correcting the interference by one or more of the following measures Reorient the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into and outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Warning A shielded type power cord is required in order to meet FCC emission limits and also to prevent interference to the nearby radio and television reception It is essential that only the supplied power cord be used You are cautioned that changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment Declaration 1 The information contained in this document is subject to change without notice 2 Document Release V2 2 Date 2010 11 15 3 Firmware Version V 4 6 FCC ID XJ8 BT 232B CCABO9LP2610T2 CE 1177 www usconverters com Page 8
9. ode is changed the adapter will reboot and all paired addresses will be cleared The command is available when the adapter is in DIP N status The command will need 1 second delay a MS Set the adapter to the master mode Default Set the adapter to the slave mode Pf o Inquire the current mode of the adapter RSSI Received signal strength indication Display the Received signal strength indication in command mode when connected l Strong RSSI gt 9 2 Medium 9 gt RSSI gt 20 3 Weak RSSI lt 20 SEARCH This command is used to search for any Bluetooth device in the neighborhood within one minute If any device is found its name and its 12 digit address will be listed The search ends with a message Inquiry ends xx device s found This command is available only when the adapter is in the master role by manual inquire Bluetooth devices in the neighborhood listing 8 devices the maximum smuss __ Inquire an tne curent setting ofthe adapter T Inquire the inner temperature of the IC in centigrade Display the current setting of the adapter S eee The command will need 200ms delay pf two stop bits o ft Jini tne curentseting OOOO www usconverters com Page 6 Datasheet amp Quick Reference for UCBT232 EXA v2 3 VERSION NNAN USConiveRT es Com ss This command is used to inquiry the firmware version Inquire the version codes Some commands are unavailable under certain con
10. r YX Default X The command will need 200 ms delay Odd parity Even parity Inquire the current setting PARITY Restore the default settings name Serial Adapter Default XX is a Character string with the length from 2 to 30 X XX N E zZ gt lt m www usconverters com Page 5 NNAN USConivece T e gt ComM This command is used to specify a PIN The default PIN is 1234 Paired adapters should have a same PIN This command is used to specify a PIN The Datasheet amp Quick Reference for UCBT232 EXA v2 3 default PIN is 1234 and the length is not smaller than 4 Paired adapters should have a same PIN The PIN code includes the numeral and English PIN characters Default 1234 XX XX XX XX is a 4 16 digit string or English character in capital or lower case PN a E PROMPT connection status Y Prompt result messages E N Not prompt result messages dd Inquire the current setting o pt inquire the current setting o Y ROLE This command is used to specify whether the adapter Is in the master or slave Cancel authentication by PIN Restore the default settings PIN 1234 Inquire the current PIN The command is used to decide whether result messages are prompted when Setup commands are executed The result messages are OK ERROR for command execution or CONNECT DISCONNECT Try Connect Device for mode If the device m
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